What feature of your ear accounts for its ability to regain its shape after it has been deformed or compressed?
A. The elastic fibers in the ear's skin that contract after being stretched
B. The abundance of reticular fibers forming a dense meshwork
C. The elastic fibers present in the ear's cartilage
D. The elastic fibers present in the ear's muscles
E. The ear's built-in memory based upon its overall size and shape
Answer: C
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A. condylar B. hinge C. plane D. pivot E. saddle
The left and right coronary arteries
A. are interconnected with several high-volume anastomoses allowing for well-perfused alternate blood paths. B. are functional end arteries because the blockage of one of them leads to tissue death in the area it supplies.
The three distinct areas of the anterior pituitary are the
A. pars tuberalis, median eminence, and pars intermedia. B. pars intermedia, median eminence, and pars distalis. C. pars nervosa, pars distalis, and pars intermedia. D. pars tuberalis, pars distalis, and pars nervosa. E. pars distalis, pars intermedia, and pars tuberalis.
The sliding filament model of contraction involves ________.
A) actin and myosin sliding past each other and partially overlapping B) the shortening of thick filaments so that thin filaments slide past C) actin and myosin shortening but not sliding past each other D) the Z discs sliding over the myofilaments